Centrifugal bolting-reel



3 Sheets-Sheet 1.

(N0 Model L. WOMMER su J. BUCK.

GENTRIPUGALBOLTING REEL.

No. 329,423. Patented Oct. 27, 1885.

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Nv PETERS, Phnm-Lxlhagmpher, Wzlhingmn. D. C.

3 sheets-sheet 2.

(No Model.)

L. WOMMER 8v J. BUCK.

GENTRIl-UGAL BOLTING REEL.

No. 329,423. Patented Oct. 27, 1885.

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3 Sheets-Sheet 3.

E C U B Th. ow R E M M 0 W L. im W M o mw GENTRIFUGAL BOLTING REEL.

No. 329,423. Patented Oct. 27, 1885.

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@Nieren STATES PATENT Ormea.

LOUIS VOHMER AND JOSEPH BUCK, OF MINNEAPOLIS, MINNESOTA.

CENTRIFUGAL BOLTlNG-REEL.

PESEFECATIN forming part of Letters Patent No. 329,423, dated October 27,1885.

Application filed March 13, 1885. Serial No. 158,712. (No model.)

To all 107mm, it may concern.'

Be it known that we, Louis Wormen and JOSEPH BUcK, both subjects of the Emperor of Germany, and both residing at Minneapolis, in the county of Hennepin and State of Minnesota, havejointly invented certain new and useful Improvements in Centrifugal Bolting-Reels, of which the Yfollowing specification is a full, clear, and exact description, reference being also had to the accompanying drawings, in which- Figure lis a longitudinal sectional elevation. Fig. 2 is an enlarged cross-sectional view, and Fig, 3 is an enlarged longitudinal sectional View of one of the anti-friction bearings ofthe rcel and beater-cylinder shafts and sleeves. Fig. et is an elevation of the head7 end of the machine with the antifriction bearing and feed-hopper partially in section. Fig. 5 is a cross-sectional view on the line x x of Fig. l. Fig. 6 is an enlarged cross-sec tional view; and Fig. 7 is an enlarged plan View of a portion of the beater-cylinder, illustrating more fully the construction and manner ot' adjusting the beater-blades. Fig. 8 is a longitudinal sectional View of a portion of one end of the machine; and Fig. 9 is a crosssectional view of the same, showing a slight variation in the manner of adjusting the beater-ribs. Fig. 10 is a perspective View of a portion of one of the cloth-supporting frames ot' the reel. Fig. ll is an enlarged perspective view of one of the beater-ribs detached.

This invention relates to machines for detaching the loose particles of middlings and flour from the bran and partially-reduced wheat during the process of milling, and also for dressing7 the iiour.

The frame or casing of this machine consists of the usual sides, A A2, head end A3, tail end A4, and hopper-bottom A5, the latter having eonveyers AG A7 set in its lower part, as shown, and with a feed-hopper, AS, on the head end A3.

B is the main central driving-shaft, having the driving-pulley B2 on one end and a sprocket-pinion, B3, on the other end outside the ends of the easing of the machine.

D' D2 are two bridge-trees, one attached across each end of the frame of the machine, as shown, and upon these bridgetrees are to the head A.

mounted the bearings which support the shaft B and the beater-cylinder and reel. Both these bearings are precisely alike, so that like letters of reference are used to indicate corresponding parts'therein. Fitting loosely upon the shaft B, above each of the bridgetrees D D2, are collars E E', of brass or other similar suitable metal or composition, and surrounding each ol these collars are sleeves or tubular bearings E2 El, secured to the collars by keys h and set-screws i, or by any other suitable means. These sleeves projectinward,

and are provided with arms Eis E, connecting the sleeves at the head end of the machine with a ring, E", and at thetail end with a ring, E5. rThe ring El has a conical rim, E, running backward toward the head end A3, and with its edge fitting over a disk, El, attached By this means a iour and dust tight joint is formed between the head A3 and the reel, the conical rim also serving to convey the material from the feed-hopper A8 into the reel.

ES are T- iron ribs connecting the rings E* E5 at equal and suitable intervals. In the drawings four of these ribs are shown, which will be the number usually employed; but any suitable number may be used. The rings E4 E5, sleeves E2 E", connecting-arms E3, and ribs E8 thus serve as the frame-work of the bolting-cloth reel. Between each pair of the ribs E"3 segmental bolting-cloth supporting-frames are held by clamps E10, or by other suitable means. The construction of these segmental frames is clearly illustrated in Fig. 10, which shows a portion of one of them detached. They consist, as shown, of longitudinal side pieces, E9, and curved intermediate ribs, En. The longitudinal ribs E rest upon each side of the outwardly-projecting webs of the ribs E8, and are clamped thereto, as before stated, by clamps E, while the segmental ribs E, which occur at the ends of the sections, rest upon the rings E4 Each of the ribs E11 and sides E are grooved on the inner side, in which grooves the edges of the bolting-cloth will be held by strips of rubber or other similar suitable material, a. The grooves and strips will thus enable the cloth to be secured to the frames without tackin g or other fastening, and avoid injury thereto, so that when it is de- IOO sired toA change the clothing ot' the reel it can be easily and quickly accomplished without injury to the cloth, and the cloth saved and restored to the reel when required.

Another important advantage gained by this manner of securing the cloth is that the clothing may be very quickly and easily changed by loosening the clamps Ew and removing the frames E E through the side doors, A. This ability to remove the frames E E also renders access to the heatencylinder, when required, a matter of easy accomplishment.

Another advantage gained by this arrangement is that the cloth -may be divided into small separate pieces; hence it can be cut and applied with greater economy, and in event of one part wearing more quicklythan the other the worn part can be replaced at a small eX- pense, and Without theneeessity for the replacing of the whole section of cloth. No blnding is required to the cloth, thus saving expense on that account.

The bearings for the shaft B consist of hollow casings, one attached to each bridge-tree D D2, and each made in two parts, F FZ, se cured together by clamping-bolts m, each of the lower parts, F, being provided with rollers b b2, upon which the sleeves E2 E2 rest, while a rthird similar wheel, b3, is arranged in each of the upper parts, F2, above each of the sleeves. Bythis means the sleeves run in contact only with the rollers b b2 b3, thereby reducing the friction to a minimum. The shaft B is reduced in diameter where it passes through the collars E E, and the sleeves E2 FP are provided with channels in which the edges ofthe rollers b b2 b3 run, the reductions of the shaft preventing it from moving endwise, and the channels in which the rollers run preventing any end movement of the sleeves. By this means both the reel and beater-shaft are held in fixed relations horizontally, while at the same time the shaft is free to revolve within the collars and sleeves. By this manner of mounting and connecting the beater-shaft B and reel-bearings the parts are all held firmly together and adj usted simultaneously, so that the centering 7 is always true, and no danger exists of the beaters coming in contact with the reel. Holes n are bored into each end of the shalt B opposite the centers of the collars E E, and outlets n2 bored into these holes from the outside to form oil-ducts to the collars, so that they may be lubricated from the outside and while the machine is running. By using a semi-solidiiied lubricant no danger exists of oil or grease working out from the bearings and soiling the frame of the machine or becoming mixed with the material passing through the machine. The collar E2 at the tail end projects outward beyond the bearings and casing F F2, and is provided with a sprocket wheel, B4, close alongside the sprocket-pinion B3, these two sprocket-wheels being connected by chaiubelts B5 B with sprocket-wheelsl B7 BS on the shaft of thelower conveyer, A7, as shown in Fig. l. The outer wheel, Bl, is larger than the wheel BB, so that the speed of the reel will be less than that of 7o G2, as showninFigs. l and 5, or by a sheetiron y cylinder, G3, arranged around the spiders, as shown in Figs. 8 and 9. The beater-ribs are formed of short sections d', each pivoted by one end to the bars Gier to the sheet-metal cylinder G3, and each provided with a slot at the other end, through which set-screws are tapped into the bars Grl or cylinder G3. By means of these slots the beater-ribs may beset at a slight angle to the shaft B2, so that when the cylinder is revolved the beaters,by inclining toward the tail end of the machine, will gradually convey the material along the reel at the same time that it throws it against the cloth. Byaltering the degree of the inclination of the ribs d the material may be thus conveyed along at a faster or slower speed, as may be desired. lf the nature of the material is such that it only requires to be subjected to slight degree of attrition, then the beaterstrips d will be set at an increased angle to the shaft B, so that the material will be conveyed more rapidly through the machine. If, however, the nature of the material is such that it requires an increased degree of attrition,then the beater'strips will be set at a line nearly parallel to the shaft- B, so that the material will be moved very slowly along through the reel and subjected for a longer time to the action of the beaters. The bolting-cloth on these machines usually decreases in fineness from the head end toward the tail end of the machine, the numbers being varied to correspond to the material being acted upon.

It is sometimes found very advantageous with certain qualities of material to hold it for a longer period of time in contact with a certain number or numbers of cloth than the remainder, to more thoroughly separate the particles-cam other words, to cause the mateterial to pass more slowly th rough certain parts ofthe machine than through other parts. This can be very easily accomplished by adjusting the' beaters d where it is desired to hold the material more nearly parallel with the shaft B. Thus the passage of the material through the machine may be easily and perfectly controlled, and caused to move fast or slow, as required, and the machine adapted to all grades and conditions of material, and to all the purposes for which such machines are intended to be used.

IOO

IOS

In Figs. 8 and 9 a slight modification of the manner of adj usting the beater-strips is shown, consisting in connecting each end of each row around the cylinder to a ring or hoop, H, and providing each hoop with means H2 for clamping it to the cylinder. By this arrangement it will be readily seen that if one of the clamps H be loosened, the hoop Hl may be moved around the cylinder and carry with it all its row of attached beaters, thus very quickly adjusting all the beaters in that row at once and equally. Then by again clamping the hoops the beaters may be secured at any desired point. This is a very simple and effective means of adjusting the beaters. The beaters may be perforated, if preferred, as shown in Fig. 6. The beaters consist of sheet-iron or steel plates properly braced and supported, and attached by rivets or bolts to the beatercylinder, and are setin a backwardly-slanting position, so as to throw the material more effectually against the cloth. In Figs. I and 5 these beaters are shown formed simply of an L shape; but under some circumstances they might oe formed with their ends bent into corrugations c, so as to form springs at the ends, as shown in Figs. 8 and 1l, so that they will give7 slightly when adjusted by the hoops and not strain the rivets by Which they are secured to the hoops. This machine may thus be adapted to all the uses which appertain to the ordinary centrifugal separators, bolts, bran-dusters, detachers, and all machines requiring a separation by bolting-cloth either of wire, silk, or cotton. The doors N will also be provided with cloth panels, which will be secured to the frames by the same means as the cloth is secured to the reel-fraine-viz., by being held in grooves by rubber or other strips a.

Having described our invention and set forth its merits, what We claim is- 1. In a centrifugal separator, the combination of a main shaft, a beater-cylinder, a bolting-reel outside of said beater-cylinder, and

er-cylinder, and means for revolving said reel 5o in the saine direction, but at a less speed than said beater-cylinder, substantially as and for the purpose set forth.

2. In a centrifugal separator, the combination of a main shaft, a beater-cylinder, a bolting-reel outside of said beater-cylinder, and provided with sleeves E2 E2 and collars E E', surrounding the main shaft near its ends, bridge-trees D D2, attached to the frame of said machine, bearing-casings formed in two 6o parts, F F2, and provided with anti-friction rollers b b2 b3, and resting upon said bridgetrees, substantially as set forth. Y

3. In a centrifugal separator, the ribs E E and sides E9 E, having, respectively, grooves 65 provided Wi th holding-strips a a', substantially as and for the purpose herein specified.

4. In a centrifugal separator, the combination of an external bolting-reel, an internal beater-cylinder mounted on a shaft, clamping-hoops surrounding said cylinder, and sectional beater-ribs pivoted thereto, substantially as and for the purpose set forth.

In testimony whereof we have hereunto set our hands in the presence of two subscribing witnesses.

LOUIS VOMMER. JOSEPH BUCK.

Vitnesses:

Louis FEEsnR, Jr., W. J. RoDGnRs. 

